/* format date in IMAP style: DD-MMM-YYYY HH:MM:SS +ZZzz.
* Caller should provide a buffer of IMAP_DATELEN bytes */
void imap_make_date (char *buf, time_t timestamp)
{
struct tm* tm = localtime (×tamp);
time_t tz = mutt_local_tz (timestamp);
tz /= 60;
snprintf (buf, IMAP_DATELEN, "%02d-%s-%d %02d:%02d:%02d %+03d%02d",
tm->tm_mday, Months[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec,
(int) tz / 60, (int) abs (tz) % 60);
}
int mmdf_parse_mailbox(CONTEXT *ctx)
{
char buf[HUGE_STRING];
char return_path[LONG_STRING];
int count = 0, oldmsgcount = ctx->msgcount;
int lines;
time_t t;
LOFF_T loc, tmploc;
HEADER *hdr;
struct stat sb;
#ifdef NFS_ATTRIBUTE_HACK
struct utimbuf newtime;
#endif /* ifdef NFS_ATTRIBUTE_HACK */
progress_t progress;
char msgbuf[STRING];
if (stat(ctx->path, &sb) == -1) {
mutt_perror(ctx->path);
return -1;
}
ctx->atime = sb.st_atime;
ctx->mtime = sb.st_mtime;
ctx->size = sb.st_size;
#ifdef NFS_ATTRIBUTE_HACK
if (sb.st_mtime > sb.st_atime) {
newtime.modtime = sb.st_mtime;
newtime.actime = time(NULL);
utime(ctx->path, &newtime);
}
#endif /* ifdef NFS_ATTRIBUTE_HACK */
buf[sizeof(buf) - 1] = 0;
if (!ctx->quiet) {
snprintf(msgbuf, sizeof(msgbuf), _("Reading %s..."), ctx->path);
mutt_progress_init(&progress, msgbuf, M_PROGRESS_MSG, ReadInc, 0);
}
FOREVER
{
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
break;
if (mutt_strcmp(buf, MMDF_SEP) == 0) {
loc = ftello(ctx->fp);
count++;
if (!ctx->quiet)
mutt_progress_update(&progress, count,
(int)(loc / (ctx->size / 100 + 1)));
if (ctx->msgcount == ctx->hdrmax)
mx_alloc_memory(ctx);
ctx->hdrs[ctx->msgcount] = hdr = mutt_new_header();
hdr->offset = loc;
hdr->index = ctx->msgcount;
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL) {
/* TODO: memory leak??? */
dprint(1, "mmdf_parse_mailbox: unexpected EOF\n");
break;
}
return_path[0] = 0;
if (!is_from(buf, return_path, sizeof(return_path), &t)) {
if (fseeko(ctx->fp, loc, SEEK_SET) != 0) {
dprint(1, "mmdf_parse_mailbox: fseek() failed\n");
mutt_error _("Mailbox is corrupt!");
return -1;
}
} else
hdr->received = t - mutt_local_tz(t);
hdr->env = mutt_read_rfc822_header(ctx->fp, hdr, 0, 0);
loc = ftello(ctx->fp);
if ((hdr->content->length > 0)
&& (hdr->lines > 0)) {
tmploc = loc + hdr->content->length;
if ((0 < tmploc)
&& (tmploc < ctx->size)) {
if ((fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
|| (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
|| (mutt_strcmp(MMDF_SEP, buf) != 0)) {
if (fseeko(ctx->fp, loc, SEEK_SET) != 0)
dprint(1, "mmdf_parse_mailbox: fseek() failed\n");
hdr->content->length = -1;
}
} else
hdr->content->length = -1;
} else
hdr->content->length = -1;
if (hdr->content->length < 0) {
lines = -1;
do {
loc = ftello(ctx->fp);
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
break;
lines++;
} while (mutt_strcmp(buf, MMDF_SEP) != 0);
hdr->lines = lines;
hdr->content->length = loc - hdr->content->offset;
}
if (!hdr->env->return_path
&& return_path[0])
hdr->env->return_path = rfc822_parse_adrlist(
hdr->env->return_path,
return_path);
if (!hdr->env->from)
hdr->env->from = rfc822_cpy_adr(hdr->env->return_path, 0);
ctx->msgcount++;
} else {
dprint(1, "mmdf_parse_mailbox: corrupt mailbox!\n");
mutt_error _("Mailbox is corrupt!");
return -1;
}
}
if (ctx->msgcount > oldmsgcount)
mx_update_context(ctx, ctx->msgcount - oldmsgcount);
return 0;
}
/* Note that this function is also called when new mail is appended to the
* currently open folder, and NOT just when the mailbox is initially read.
*
* NOTE: it is assumed that the mailbox being read has been locked before
* this routine gets called. Strange things could happen if it's not!
*/
int mbox_parse_mailbox(CONTEXT *ctx)
{
struct stat sb;
char buf[HUGE_STRING], return_path[STRING];
HEADER *curhdr;
time_t t;
int count = 0, lines = 0;
LOFF_T loc;
#ifdef NFS_ATTRIBUTE_HACK
struct utimbuf newtime;
#endif /* ifdef NFS_ATTRIBUTE_HACK */
progress_t progress;
char msgbuf[STRING];
/* Save information about the folder at the time we opened it. */
if (stat(ctx->path, &sb) == -1) {
mutt_perror(ctx->path);
return -1;
}
ctx->size = sb.st_size;
ctx->mtime = sb.st_mtime;
ctx->atime = sb.st_atime;
#ifdef NFS_ATTRIBUTE_HACK
if (sb.st_mtime > sb.st_atime) {
newtime.modtime = sb.st_mtime;
newtime.actime = time(NULL);
utime(ctx->path, &newtime);
}
#endif /* ifdef NFS_ATTRIBUTE_HACK */
if (!ctx->readonly)
ctx->readonly = access(ctx->path, W_OK) ? 1 : 0;
if (!ctx->quiet) {
snprintf(msgbuf, sizeof(msgbuf), _("Reading %s..."), ctx->path);
mutt_progress_init(&progress, msgbuf, M_PROGRESS_MSG, ReadInc, 0);
}
loc = ftello(ctx->fp);
while (fgets(buf, sizeof(buf), ctx->fp) != NULL) {
if (is_from(buf, return_path, sizeof(return_path), &t)) {
/* Save the Content-Length of the previous message */
if (count > 0) {
#define PREV ctx->hdrs[ctx->msgcount - 1]
if (PREV->content->length < 0) {
PREV->content->length = loc - PREV->content->offset - 1;
if (PREV->content->length < 0)
PREV->content->length = 0;
}
if (!PREV->lines)
PREV->lines = lines ? lines - 1 : 0;
}
count++;
if (!ctx->quiet)
mutt_progress_update(&progress, count,
(int)(ftello(ctx->fp) /
(ctx->size / 100 + 1)));
if (ctx->msgcount == ctx->hdrmax)
mx_alloc_memory(ctx);
curhdr = ctx->hdrs[ctx->msgcount] = mutt_new_header();
curhdr->received = t - mutt_local_tz(t);
curhdr->offset = loc;
curhdr->index = ctx->msgcount;
curhdr->env = mutt_read_rfc822_header(ctx->fp, curhdr, 0, 0);
/* if we know how long this message is, either just skip over the
body,
* or if we don't know how many lines there are, count them now
*(this will
* save time by not having to search for the next message marker).
*/
if (curhdr->content->length > 0) {
LOFF_T tmploc;
loc = ftello(ctx->fp);
tmploc = loc + curhdr->content->length + 1;
if ((0 < tmploc)
&& (tmploc < ctx->size)) {
/*
* check to see if the content-length looks valid. we
*expect to
* to see a valid message separator at this point in the
*stream
*/
if ((fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
|| (fgets(buf, sizeof(buf), ctx->fp) == NULL)
|| (mutt_strncmp("From ", buf, 5) != 0)) {
dprint(1, "mbox_parse_mailbox: bad content-length in message %d (cl="
OFF_T_FMT ")\n", curhdr->index, curhdr->content->length);
dprint(1, "\tLINE: %s", buf);
if (fseeko(ctx->fp, loc, SEEK_SET) != 0) { /* nope,
return the
previous
position
*/
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
}
curhdr->content->length = -1;
}
} else if (tmploc != ctx->size) {
/* content-length would put us past the end of the file, so
it
* must be wrong
*/
curhdr->content->length = -1;
}
if (curhdr->content->length != -1) {
/* good content-length. check to see if we know how many
lines
* are in this message.
*/
if (curhdr->lines == 0) {
int cl = curhdr->content->length;
/* count the number of lines in this message */
if (fseeko(ctx->fp, loc, SEEK_SET) != 0)
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
while (cl-- > 0) {
if (fgetc(ctx->fp) == '\n')
curhdr->lines++;
}
}
/* return to the offset of the next message separator */
if (fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
}
}
ctx->msgcount++;
if (!curhdr->env->return_path
&& return_path[0])
curhdr->env->return_path = rfc822_parse_adrlist(
curhdr->env->return_path,
return_path);
if (!curhdr->env->from)
curhdr->env->from = rfc822_cpy_adr(curhdr->env->return_path, 0);
lines = 0;
} else
lines++;
loc = ftello(ctx->fp);
}
/*
* Only set the content-length of the previous message if we have read more
* than one message during _this_ invocation. If this routine is called
* when new mail is received, we need to make sure not to clobber what
* previously was the last message since the headers may be sorted.
*/
if (count > 0) {
if (PREV->content->length < 0) {
PREV->content->length = ftello(ctx->fp) - PREV->content->offset - 1;
if (PREV->content->length < 0)
PREV->content->length = 0;
}
if (!PREV->lines)
PREV->lines = lines ? lines - 1 : 0;
mx_update_context(ctx, count);
}
return 0;
}
